Question

is 40 cm.
Find the surface area of a sphere of radius 7 cm.​

Answer 1

Answer:

616cm^2

Step-by-step explanation:

given radius = 7 cm

we know,

surface area of the sphere = 4

$4\pir {?}^{2}$

so, surface area = 4×22/7×7×7

=616 cm^2